package dao;

import java.util.List;

import model.Device;


public interface DeviceDao{
	
	public void add( Device device );
	
	
	public void delete( Device device );
	
	
	public void update( Device device );
	
	
	public boolean deviceExcists( int device_nr );


	public List<Device> getDevices();


	public void setMemento( List<Device> devices );
}
